website URL: https://www.si.edu/openaccess
rights statement: https://www.si.edu/openaccess/faq, https://www.si.edu/termsofuse
All digital assets collected under the Smithsonian’s Open Access program hold Creative Commons Zero licensing, and can be used freely without explicit permission. CC0 items can also be used for commercial purposes. Attribution is not required, but it is recommended.
available materials: Over 4.9 million digital assets of 2D and 3D items held across the Smithsonian’s 21 museums.
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